Fisheries Level 2 Semester I Aquaculture Final question 2015, 16,
To Get LINK Go Bellow
2016
unit
Hajee Mohammad Danesh Science and Technology University, Dinajpur
B. Se. Fisheries (Hons.) Level 2 Semester 1 (January-June) Final Examination 201
Course Title: Coastal Aquaculture Course Code: AQC 201
Credit Hours: 3.4
Full Marks: 90
Time: 3 Hours
Split answering of any question is unacceptable
Use separate answer script for answering each of the sections
Section A
5×9-45
Answer any Five of the following questions.
Define coast, coastal zone and coastal aquaculture. Write the types of coastal aquaculture that are practiced in Bangladesh
2. Why tides and currents should be considered during site selection of a coastal farm.
Describe the effects of lunar cycle on coastal aquaculture.
3. Define mangrove forest with its key characteristics. b. Cite the impact of mangrove forest destruction on coastal fisheries.
Explain the significance of mangrove ecosystem in fisheries sector.
4. Mention the significance of using seaweed. Describe the culture techniques of seaweed.
5. a. Define stenohaline and euryhaline fish.
What is detritus and how it is formed from mangrove leaves? Write a note on salinity.
6.
Write the mechanism of pearl formation. Depict the bamboo plot and floating raft culture system of edible oyster.
7. Enunciate the off bottom culture techniques of Perna viridis.
a. What is spat?
Section B
Answer any Five of the following questions.
2.0
4.0
a. What are the morphological characters of Penaeus monodon? b. Describe briefly the semi-intensive culture system of P. monodon. c. Write a note on partial harvesting of shrimp from a big gher.
3.0
3.0
2.
a. State the global distribution, habitat and feeding behavior of mud crab. b. Describe the grow out technique of mud crab in coastal ponds.
6.0
3.
3.0
a. Mention the benefits of rice cum fish and shrimp farming. b. Describe briefly the rice cum fish and shrimp farming practiced in estuarine areas of Bangladesh.
6.0
4.
2.0
a. Cite the major problems of seabass during culture period. b. Sketch the life cycle of Australian seabass (Lates calcarifer).
c. Explain the seabass culture systems in ponds.
2.0
5.0
5.
a. Mention the taxonomic classification along with the food and feeding habit of 3.0
milkfish. b. Write the harvesting techniques of milkfish.
2.0
Describe the pond culture methods of milkfish including the optimum water quality conditions for culture.
4.0
6.
a. Write the scientific names of 5 mullet species being cultivated.
b. Why mullet is a desirable species for aquaculture?
2.0
30
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